Lethal mutation

All Sources -
Updated Media sources (1) About encyclopedia.com content Print Topic Share Topic
views updated

lethal mutation A gene mutation whose expression results in the premature death of the organism carrying it. Dominant lethals kill heterozygotes, whereas recessive lethals kill homozygotes only. See also VISIBLE.

views updated

lethal mutation A gene mutation whose expression results in the premature death of the organism carrying it. Dominant lethals kill heterozygotes, recessive lethals kill homozygotes only. See also VISIBLE.

views updated

lethal mutation A gene mutation whose expression results in the premature death of the organism carrying it. Dominant lethals kill both homozygotes and heterozygotes, recessive lethals kill homozygotes only.